The team behind Pixelmator has today released yet another free update to its Mac photo editor, Pixelmator version 3.5 ($29.99 in the Mac App Store). Alongside the usual round of performance improvements and bug fixes, the app includes a few handy new end-user features. There’s a smarter Auto Selection tool and a brand new Magnetic Selection tool to accurately and quickly cutout objects from a scene in a photograph. There’s also a brand new Retouch extension for the native OS X Photos app, integrating refined brush-style edits into iCloud Photo Library. Video demo after the break …